I have reviewed your task. You have an official Telegram group, and scammers created a fake one and are offering intimate services on your behalf.
I have experience working with Telegram support. I know how to properly file a complaint through @SpamBot and via the official form on Telegram.org to achieve quick blocking of the fake group.
I am ready to promptly address your problem: gather evidence, properly file the complaint, and monitor the process.
I will be glad to help preserve your reputation.
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Freelancers are reviewing the task — proposals will appear here soon.